CN105066511B - Solar energy couples air source heat pump integrated air conditioning system and its heating refrigeration method - Google Patents

Solar energy couples air source heat pump integrated air conditioning system and its heating refrigeration method Download PDF

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CN105066511B
CN105066511B CN201510564726.2A CN201510564726A CN105066511B CN 105066511 B CN105066511 B CN 105066511B CN 201510564726 A CN201510564726 A CN 201510564726A CN 105066511 B CN105066511 B CN 105066511B
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source heat
air source
solar energy
solar
heat pump
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CN105066511A (en
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田琦
董旭
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Taiyuan University of Technology
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Abstract

A kind of solar energy coupling air source heat pump integrated air conditioning system and its heating refrigeration method are the inner surfaces that solar energy evaporation heat collector is arranged at solar air source heat pumps casing of outdoor, air source heat pump indoor set is arranged at heating room, air source heat pump capillary brass pipe net radiant heating layer is arranged in heating flooring basic unit, and regulated and controled by control system and its circulation line, realize solar energy coupling air source heat pump integration heating and freeze.Solar energy and air source heat pump are carried out thermal field coupling by the present invention, and the complementary optimization of the functionality advantage of the two is realized by controlling coupled system, reduce further the initial cost and operating cost of system, improve systemic-function protection and comfort.

Description

Solar energy couples air source heat pump integrated air conditioning system and its heating refrigeration method
Technical field
The present invention relates to a kind of solar energy evaporation heat collector, solar energy reflection abat vent, air source heat pump outdoor unit, air Source heat pump ground plate radiant heating system and air source heat pump refrigeration system, specifically a kind of solar energy are combined in air source heat pump The air-conditioning system of one.
Background technology
With the development of economic society, the raising of living standards of the people, user is no longer limited to the demand of air-conditioning system Simple summer can freeze, and winter can heat.Modern day user need Intellectualized air conditioning system need to have initial cost it is low, operation The feature performance benefit such as cost saving, energy-efficient, emission reduction be environmentally friendly, and systemic-function protection higher is required, especially require system In the winter time when heating and cooling in summer, the indoor temperature of user individual setting under the conditions of lower operating cost, can be maintained, Therefore demand novel air conditioning system.
Air source heat pump outdoor unit and capillary brass pipe net combination radiant heating, and with air source heat pump indoor set combination convection current The air-conditioning system of refrigeration is a kind of flexible arrangement, air-conditioning mode easy to operate, energy-conserving and environment-protective.Radiant heating working medium has water With two kinds of refrigerant, relative to traditional device of working medium, there is the specific heat capacity bigger than water and smaller using novel refrigerant working medium Thermal inertia, heat exchange efficiency is higher, heats speed faster, and heating effect is more preferable.There is Copper-aluminum radiator, heat-resisting radiant heating end Polyethylene pipe network, crosslinked polyethylene pipe network, capillary brass pipe net etc., relative to tradition heating end, can be using capillary brass pipe net While ensureing low initial cost, radiation heat transfer coefficient and heat exchange specific surface area is significantly increased, power consumption is less, thermal inertia is smaller, can Quick heat temperature raising, room temperature is more evenly distributed, and heating effect is more preferable, using comfort more preferably.Such as Dong Xu, the beautiful top boards spokes of Yang Feng Penetrate air-conditioning system cost-efficiency analysis [J] building energy conservations, 2012,40 (11): 19-22.Air-source heat pump air conditioning system is existing Initial cost is 200~350 yuan/m2It is of a relatively high, but 15~20 yuan/m2The heating operation expense of Heating Period is central heating 50~67%, it is good in economic efficiency;24W/m during air-source heat pump air conditioning system refrigeration2Average power load be in refrigerating operaton Expense reduced levels.
Solar energy is a kind of reproducible endless energy of cleaning, and removing is directly reflected back the part of the outer space by atmosphere Energy, the solar power of direct projection to earth surface is 1.2 × 105TW.Relative to 2012 years whole world, 433EJ once could altogether Source consumption, it is 13.75TW to convert into consumption power, and the year supply of solar energy is 8700 times of global energy annual requirement, folding Mankind's energy demand of a year is met by being combined into the solar energy that the earth is received per hour.China solar thermal utilization amount be 101GW, accounts for the 59% of global solar heat utilization total amount 172.4GW, occupies the first in the world.Such as Z. Wang, et al. Solar water heating: From theory, application, marketing and research[J]. Renewable and Sustainable Energy Reviews, 2015, (41): 68-84.Global building energy consumption accounts for global total energy consumption 40%, and air conditioning energy consumption accounts for the 40% of building energy consumption.How China fills as the power consumption big country of the total amount the second in the world that consumes energy in year Divide and save air-conditioning system operating cost using free solar energy, improve air-conditioning system efficiency, be always to need further solution Techno-economic question.
It is red near in 0.25~3 μm of spectral regions, that is, to be mainly distributed on visible ray that solar radiant energy is mainly distributed on wavelength X Outskirt, and the object energy that black body radiation occurs that is heated is mainly distributed on wavelength X in 2~100 μm of spectral regions, i.e., main distribution In far-infrared band.In order to make full use of solar energy, the solar selectively absorbing coating material developed must be fulfilled for Lower two conditions, i.e., the extinction degree in solar spectrum is high, there is absorptivity α as high as possible;Have in radiated wavelength range and to the greatest extent may be used Radiation energy that can be low is lost, and has alap normal emittance ε, that is, need have α/ε characteristics higher.Solar energy reflection is applied The solar radiant energy in layer material then key reflections visible ray and near infrared light region is, it is necessary to possess refraction index and the sun higher Can reflectivity Characteristics.
Existing ripe solar energy has solar water heater auxiliary air source heat pump with air source heat pump united heat technology Water ground heating system, solar energy phase transition heat accumulation auxiliary air source heat pump water ground heating system, solar heat-preservation enhancing air source heat pump are removed Defrosting system etc..Such as Wu Juan, imperial new peak solar heat chemical energy storages progress [J] chemical industry progress, 2014,33 (12): 3238-3245.These vacuum tubes or flat panel solar heat collecting system belong to the external solar energy auxiliary system of net for air-source heat pump units System, though heating effectively can be strengthened using solar energy, solar thermal collection system main body unit price is 110~180 yuan/pipe, then with The system that air source heat pump constitutes two complete equipments, system scale is excessively huge, and consumption initial cost is excessive.System need to additionally take Substantial amounts of originally not abundant user's space, space is extremely narrow per family for such as now more and more universal high-level user It is small;Or air source heat pump outdoor unit size need to be increased, it is unfavorable for equipment flexible arrangement.Pipeline connection is exposed between corollary equipment superfluous Complicated, slip long is high, and corollary equipment linking operation inconvenience, and control is easily unstable.
Ripe solar energy is more common in MW grades of large-sized solar thermal-arrest absorption refrigeration with heat pump united Refrigeration Technique at present System, such as Zhao Minghai, Hong Renlong, wait lithium-bromide absorption-type refrigerating machines to be flowed with prospect [J] in the application of field of solar energy Body machinery, 2014,42 (6): 40, 84-86.By the end of the year 2012, it is empty that 1000 multinomial solar refrigerations are built up in the whole world altogether Engineering is adjusted, Europe is mainly distributed on, mostly as show-how project, distance technique popularization and application still has gap.Such as Li Zhaojian, Yang Xiaojing, waits some case study [J] HVACs, 2015,45 of solar refrigeration and air-conditioning technical engineer applieds (6): 1-5.In summer, air source heat pump refrigerating capacity is reduced with the rising of outside air temperature, air source heat pump consume power with The rising of outside air temperature and increase.The working temperature upper limit that air source heat pump normally freezes is 40~45 DEG C, when outside air temperature increases During to 40 DEG C, air source heat pump refrigerating capacity declines 5~7%.Therefore should be from the angle for reducing summer air source heat pump outdoor unit operating temperature Degree, using heliotechnics combination air source heat pump, improves refrigeration efficiency.But there is presently no by Application of Solar Energy in bigger The small-sized household of the crowdization mature technology of Split type air source heat pump refrigeration system, needs badly and fills up this blank.
Solar energy couples air source heat pump Radiant Floor Heating System, and solar energy coupling Split type air source heat pump refrigerating System, is that house life is reasonable with setting in public place, it is comfortable to use, all good coupling sky of economy, energy saving, the feature of environmental protection Adjusting system.Solar energy heat collector is coupled in original air source heat pump outdoor unit evaporator by heating system by the former, and is transformed More conducively absorb the air source heat pump outdoor unit contour structures of solar energy, it is to avoid system scale is excessively huge, system initial cost It is excessive, it is excessive to take precious rare building arrangements space, extra increase air source heat pump outdoor unit size and control inconvenience etc. The problem that prior art is present;And new type solar energy evaporator raises its surface temperature, in the winter because absorbing solar radiant heat It is less susceptible to frosting season, air source heat pump defrosting problem is alleviated significantly, it is convenient directly to improve system confession using free solar energy Warm efficiency and economic benefit.The latter's refrigeration system has filled up Application of Solar Energy in the technology of Split type air source heat pump refrigeration system Blank, can be blocked and reflected solar energy by air source heat pump outdoor unit, reduce its internal cooling in summer circulation operating temperature, And then improve cooling system efficiency and economic benefit.Therefore, in the urgent need to research and development are a kind of by above-mentioned heating system and refrigeration system Unite two into one, i.e., the air-conditioning system that solar energy coupling air source heat pump is integrated in one realizes the two coupling and complementing to meet the mankind Growing quality of life demand.
The content of the invention
The invention solves the problems that concrete technical problems be how solar energy and air-source heat pump air conditioning system to be carried out into thermal field Coupling, and by controlling coupled system, realize that the two functionality advantage is complementary, and maintaining the basis of personalized setting room temperature directly perceived On, system initial cost and operating cost, energy-saving and emission-reduction are further reduced, and further reduce system scale, improve systemic-function Protection and comfort, and then solar energy coupling air source heat pump integrated air conditioning system and its heating refrigeration side are provided Method.
Solve the above problems and realize that the technical scheme that above-mentioned purpose is taken is as follows.
A kind of solar energy couples air source heat pump integrated air conditioning system, including solar air source heat pumps outdoor unit, too Sun can evaporate heat collector, solar energy reflection abat vent, air source heat pump indoor set, air source heat pump capillary brass pipe net radiant heating Layer and control system;It is characterized in that:The solar air source heat pumps outdoor unit is by I type outdoor unit and II Xing Shiwai mechanisms Into the internal structure of the I type outdoor unit and II type outdoor unit is by solar energy evaporation collection hot-zone and dynamic Control area two parts Constitute;Wherein, the enclosure material of the solar energy evaporation collection hot-zone of the I type outdoor unit is the thick low iron safety glass of plane of 8mm Plate;The enclosure material in dynamic Control area is the Q235A steel plates that outer surface scribbles nanometer water solar energy reflection coating;And by mixed flow Blower setting is in the bottom of solar air source heat pumps outdoor unit;Air exhausting grille is arranged at the side of solar energy evaporation collection hot-zone At face and upper rear portion 1/3;The enclosure material of the solar energy evaporation collection hot-zone of the II type outdoor unit is the thick low iron of plane of 8mm Armorplate glass;The enclosure material in dynamic Control area is the Q235A steel plates that outer surface scribbles nanometer water solar energy reflection coating.
The solar energy evaporation heat collector is in copper tube and fin evaporator external, by electrochemical method electrolytic coloring one Layer alumilite process solar selectively absorbing coating, and solar energy evaporation heat collector is fitted in solar air source heat pumps room The inner surface of the safety glass shell of outer machine.
The solar energy reflection abat vent is the rollable aluminium alloy that outer surface scribbles nanometer water solar energy reflection coating Sun-shading louver curtain, its expansion shape is fitted the appearance of the low iron safety glass shell of solar air source heat pumps outdoor unit plane completely Face shape;Solar energy reflection abat vent volume in the winter time by being fixed near solar energy evaporation collection hot-zone top edge on external wall Curtain axle is hidden and is packed up, and is opened by curtain rolling shaft in summer and put down, the low iron tempering glass of solar air source heat pumps outdoor unit plane of fitting The outer surface laying of glass shell.
The air source heat pump indoor set is indoor convection current cooling heat exchange machine, including heat exchanger, cross flow fan, temperature-sensitive are visited Head and air grille;Locellus arranges that respective independent control aperture is combined into one with solar air source heat pumps outdoor unit on demand Air conditioning system with multiple indoor set.
The air source heat pump capillary brass pipe net radiant heating layer is in heating flooring basic unit, to be equipped with and radiant heating The corresponding radiant heating layer of floor covering shape, from bottom to top layered stereoscopic is laid in heat insulation layer, heating radiating layer and storage successively Thermosphere;Wherein, heating radiating layer is that capillary brass pipe is laid into composition in parallel, capillary brass pipe one by root ring is U-shaped from outside to inside Side ports are inlet manifold, steam separator, regulating valve I, pressure gauge I and thermometer I have been sequentially communicated on inlet manifold, and pass through Be flexible coupling I exhaust outlet for being communicated with solar air source heat pumps outdoor unit;Another side ports of capillary brass pipe are liquid header, in row Liquid trap, regulating valve II, y-type filter, pressure gauge II and thermometer II have been sequentially communicated on liquid house steward, and through II company that is flexible coupling Pass to the liquid return hole of solar air source heat pumps outdoor unit;It is sequentially communicated at the liquid return hole of solar air source heat pumps outdoor unit Electric expansion valve, the solar energy evaporation heat collector of regulating valve III, linkage fan, regulating valve IV are provided with, regulating valve IV is through temperature Meter III and pressure gauge III are switched to four-way reversing valve, and the flow of regulating valve V is provided between electric expansion valve and thermometer III Regulation bypass;Four-way reversing valve connects pressure gauge III all the way, and digital scroll compressor air inlet is connected all the way, connects digital all the way Screw compressor exhaust outlet, connects the exhaust outlet of solar air source heat pumps outdoor unit all the way.
The control system is by temperature controller and temperature sensor, thermometer, pressure gauge, air-source by connection Heat pump capillary brass pipe net radiant heating layer control line, solar energy evaporation heat collector governor valve control line integrate, and by remote Journey infrared signal connects hand-held remote controller, and connects mobile phone A PP with Wi-Fi network by family, realizes that solar energy couples air Source heat pump integrally, using the PLC centralized automatic control systems of PID regulative modes.
A kind of flooring radiation heating method that air source heat pump integrated air conditioning system is coupled for above-mentioned solar energy, institute The method of stating is curtain rolling shaft to be hidden solar energy reflection abat vent and packs up, and solar energy, linkage are absorbed by solar energy evaporation heat collector Blower fan exchanges heat with cross-ventilation, joint Flow-rate adjustment bypass adjusting refrigerant flow rate, the satiety inside solar energy evaporation heat collector Turn into superheated vapor with refrigerant vapour increasing temperature and pressure;Superheated vapor imports digital scroll compressor air inlet through four-way reversing valve Mouthful, digital scroll compressor carries out changeable compression process according to intake air temperature and pressure-responsive, and appropriate compression is evaporated by solar energy The refrigerant superheat steam of heat collector treatment is to complete superheat state, steam increasing temperature and pressure;Complete superheated vapor is from digital vortex Exhaust outlet of compressor is exported, and through temperature, pressure monitoring in normal range (NR), discharge solar air source heat pumps outdoor unit enters to enter the room Interior steam separator, and be allocated to the capillary brass pipe net of each heating flooring and carry out radiant heating, heating temperature is 28~36 DEG C;Completely Superheated vapor heat release radiant heating in capillary brass pipe net, and then temperature reduction condensation enters liquid trap as saturated liquid, satisfies It it is 18~26 DEG C with liquid temperature degree is returned;Liquid trap collects the refrigerant liquid of each heating branch road backflow, conveys and is filtered, temperature Pressure monitoring, into solar air source heat pumps outdoor unit in electric expansion valve carry out adiabatic throttling expansion, saturated liquid turns into Supersaturated vapour;Then supersaturation refrigerant vapour enters solar energy evaporation heat collector absorption solar energy, linkage blower fan and sky Gas heat convection, joint Flow-rate adjustment bypass adjusting refrigerant flow rate, supersaturated refrigerant vapour increasing temperature and pressure turns into overheat and steams Gas;Temperature sensor monitors indoor temperature change generated in case situation, and feedback signal to temperature controller carries out school with setting room temperature in time Standard, temperature controller automatically controls net for air-source heat pump units heating capacity according still further to calibration result release signal, completes primary system Control action, and start working cycles next time.
Or, a kind of indoor convection current refrigeration for above-mentioned solar energy coupling air source heat pump integrated air conditioning system is changed The convection current refrigerating method of heat engine, methods described is first outside the low iron safety glass of plane of solar air source heat pumps outdoor unit The outwardly deploying laying solar energy reflection abat vent of shell, is compressed inside solar air source heat pumps outdoor unit by digital vortex Machine absorbs from the backflow of air source heat pump indoor set and skips over hot refrigerant vapor refrigerant, by polytropic process compression refrigerant steam to complete Full superheat state;Complete superheated vapor is changed through the solar energy evaporation heat collector that four-way reversing valve imports linkage fan with cross-ventilation Heat, refrigerant vapour turns into saturated liquid in this exothermic condensation;Then refrigerant saturated liquid flows through electric expansion valve and carries out absolutely Thermal throttle expands, as supersaturated vapour;It is 7 DEG C or so, pressure that supersaturated refrigerant vapour is monitored in temperature through temperature, pressure In the normal range (NR) of 0.4MPa or so, to discharge solar air source heat pumps outdoor unit, air inlet source heat pump indoor unit absorbs Room air heat, carries out convection current refrigeration;Supersaturated refrigerant vapour absorbs heat evaporation as heat steam is skipped over indoors, discharges empty Air supply heat pump indoor set, through temperature, pressure monitoring in the normal range (NR) that temperature is 12 DEG C or so, pressure is 1.4MPa or so, enters Enter solar air source heat pumps outdoor unit inside digital scroll compressor air inlet, refrigerant vapour is by changeable compression to mistake completely Warm status;Temperature sensor monitors indoor temperature change generated in case situation, and feedback signal to temperature controller enters with setting room temperature in time Row calibration, temperature controller automatically controls net for air-source heat pump units refrigerating capacity according still further to calibration result release signal, completes once System control action, and start working cycles next time.
The further additional technical feature of above-mentioned technical proposal is as follows.
The air-conditioning degree of coupling of the solar energy coupling air source heat pump integrated air conditioning system is 25~96%, frosting resistance coupling Right is 25~60%.
The alumilite process solar selectively absorbing coating color is black, and thickness is 0.50~0.75 μm, the sun Can absorptivity α=0.92~0.96, normal emittance ε=0.08~0.13.
The nanometer water solar energy reflection coating color is white, and thickness is 20~40 μm, and refraction index is 2.8, too Positive energy reflectivity is 90~96%.
The solar energy evaporation heat collector provides the 70% of the total heating capacity of system, the knot under -12~3 DEG C of environment in the winter time White probability reduction by 60%, service life is 15 years.
The solar energy reflection abat vent is 40 DEG C in the surface temperature of summer control solar air source heat pumps outdoor unit, Service life is 15 years.
The temperature sensor is platinum resistance temperature sensor, and internal structure is that platinum sensor linkage temperature signal becomes Device is sent, is set on the metope positioned at interior far from floor 1m.
The temperature controller is located on the indoor metope away from floor 1.5m, is concentrated certainly using the PLC of PID regulative modes Movement controller, direct integral traffic control is received by temperature and pressure transmitter, signal transmitting device is exported 0~10V or the letter of 4~20A Number analog quantity, forms ratio chain control.
Implement a kind of above-mentioned solar energy coupling air source heat pump integrated air conditioning system of the present invention, compared with prior art, Its advantage is with good effect:Solar energy couples air source heat pump integrated air conditioning system, and solar energy and air source heat pump is empty Adjusting system carries out thermal field coupling, and by controlling coupled system, realizes the two optimization that has complementary functions, and maintaining individual character directly perceived Change on the basis of setting room temperature, reduce further system initial cost and operating cost, energy-conserving and environment-protective, and further reduce system Scale, improves systemic-function protection and comfort.
The present invention is by existing two sets each independent solar thermal collection systems and air-source heat pump air conditioning systems integrated Body, and Application of Solar Energy has been filled up in the technological gap of Split type air source heat pump refrigeration system.Solar energy couples air-source Heat pump integrated air-conditioning system is applied to during heat supply in winter be solar energy coupling air source heat pump Radiant Floor Heating System, application It is solar energy coupling Split type air source heat pump refrigeration system, Winter-summer dual purpose integration when cooling in summer.Heating system will too Sun can evaporate heat collector and be coupled in solar air source heat pumps outdoor unit evaporator, and transformed and be more conducive to absorb solar energy Solar air source heat pumps outdoor unit contour structures, it is to avoid system scale is excessively huge, and system initial cost is excessive, excessively accounts for The problem existed with precious rare building arrangements space, the prior art such as extra increase outdoor unit size and control inconvenience;And And solar energy evaporation heat collector can raise its surface temperature because absorbing solar radiant heat, and frosting is less susceptible in the winter time, alleviate significantly Air source heat pump defrosting problem, it is convenient directly to improve system heating efficiency and economic benefit using free solar energy.Refrigeration System has filled up Application of Solar Energy in the technological gap of Split type air source heat pump refrigeration system, can be by solar air source Heat pump outdoor unit is blocked and reflected solar energy, reduces its internal cooling in summer circulation operating temperature, and then improve cooling system energy Effect and economic benefit.
The existing initial cost of the present invention is 220~380 yuan/m2, air source heat pump air-conditioner is combined less than solar thermal collection system 250~400 yuan/m of system2, it is integrated with the present invention of solar thermal collection system and air-source heat pump air conditioning system two systems Integral system not only reduces equipment scale, and convenient manipulation more saves initial cost.10~15 yuan/m of the present invention2Heating The heating operation expense of phase is the 33~50% of central heating, operating cost advantage is saved in existing heating technology and is highlighted, economical Benefit is protruded.Present invention 22W/m during freezing2Average power load be less than prior art 24W/m2Power consumption, can save Refrigerating operaton expense, energy-saving benefit is obvious.Service life of the present invention is 15~18 years, by saving operating cost, using 10~ 14 years i.e. recoverable whole initial costs.Comprehensive energy efficiency ratio of the invention is 2.94~5.18, higher than existing air source heat pump air-conditioner Systematic energy efficiency ratio 2.32~4.37, energy-saving effect is protruded.The present invention is pollution-free without discharging at work, and operation noise is less than 55dB (A), environmental benefit is better than prior art.
Brief description of the drawings
Fig. 1 is the structural representation that solar energy of the present invention couples air source heat pump integrated air conditioning system.
Fig. 2 is the microstructure schematic diagram of alumilite process solar selectively absorbing coating of the present invention.
Fig. 3 is the mplifying structure schematic diagram that solar energy of the present invention evaporates heat collector.
Fig. 4 is the structural representation of the type of solar air source heat pumps outdoor unit I of the present invention.
Fig. 5 is the contour structures schematic diagram that solar energy of the present invention evaporates the type of heat collector I.
Fig. 6 is the structural representation of the type of solar air source heat pumps outdoor unit II of the present invention.
Fig. 7 is the contour structures schematic diagram that solar energy of the present invention evaporates the type of heat collector II.
In figure:1:Digital scroll compressor;2:Four-way reversing valve;3:Blower fan;4:Solar energy evaporates heat collector;5:Electronics is swollen Swollen valve;6:Thermometer;7:Pressure gauge;8:Y-type filter;9:Regulating valve;10:It is flexible coupling;11:Outside solar air source heat pumps room Machine;12:Steam separator;13:Liquid trap;14:Temperature controller;15:Temperature sensor;16:Air source heat pump indoor set;17:It is empty Air supply heat pump capillary brass pipe net radiant heating layer;18:Heating room;19:Aluminium coat;20:Al2O3Barrier layer;21:Nickel particle; 22:Porous Al2O3Layer;23:Copper dish tube outer surface adheres to alumilite process solar selectively absorbing coating;24:Copper fin adheres to Alumilite process solar selectively absorbing coating;25:The low iron safety glass shell of plane;26:Solar energy evaporation heat collector bottom Plate is projected;27:Mixed flow pressure fan;28:Angle bar frame;29:Air exhausting grille;30:External wall;31:Solar energy reflection abat vent; 32:Curtain rolling shaft;33:Nanometer water solar energy reflection outer cover of steel plate;34:Valve member pipeline installing zone;35:Compressor installing zone;36: Refrigerant outlet;37:Refrigerant inlet;38:Steel sole plate;39:Alumilite process solar selectively absorbing coating surface;40: Solar energy evaporates heat collector refrigerant outlet;41:Solar energy evaporates heat collector refrigerant inlet;42:Axial flow blower;43:Enter Air port.
Specific embodiment
Specific embodiment of the invention is further described in detail below.
Implement a kind of solar energy coupling air source heat pump integrated air conditioning system that the present invention is provided, including solar air Source heat pump outdoor unit 11, solar energy evaporation heat collector 4, solar energy reflection abat vent 31, air source heat pump indoor set 16, air-source Heat pump capillary brass pipe net radiant heating layer 17 and control system.When the present invention is applied to heat supply in winter, including solar energy evaporation collection Hot device 4, solar air source heat pumps outdoor unit 11, air source heat pump capillary brass pipe net radiant heating layer 17 and control system.This When invention is applied to cooling in summer, including solar energy reflection abat vent 31, solar air source heat pumps outdoor unit 11, air-source heat Pump indoor set 16 and control system.Solar energy and air-source heat pump air conditioning system are carried out thermal field and coupled by the present invention, and by control Coupled system processed, realizes that the two functionality advantage is complementary, and on the basis of personalized setting room temperature directly perceived is maintained, further reduces fortune Row expense, energy-saving and emission-reduction improve systemic-function protection and comfort.
State on the implementation in integrated air conditioning system, 11 points of solar air source heat pumps outdoor unit is two kinds of I type and II type Type, respectively as described in accompanying drawing 4 and accompanying drawing 6, internal structure is all divided into solar energy evaporation collection hot-zone and power control by region partition Area's two parts processed, more conducively applied solar energy.As described in accompanying drawing 4, the solar energy of the type of solar air source heat pumps outdoor unit 11 I steams Hair collection hot-zone includes the portions such as solar energy evaporation heat collector 4, mixed flow pressure fan 27, air exhausting grille 29, solar energy reflection abat vent 31 Part, dynamic Control area includes valve member pipeline installing zone 34, compressor installing zone 35, refrigerant outlet 36, refrigerant inlet 37 etc. Part.Compared with original model structure, the cube volume of the type of solar air source heat pumps outdoor unit 11 I is constant, dynamic Control area Circulating path it is constant, change structure be solar energy evaporation collection hot-zone shell(Patch wall Q235A steel backing plates and load-bearing are not included Q235A steel sole plates)Material replaces original Q235A steel plates by the 8mm low iron safety glass of thick plane, is ensureing base firm in structure Solar energy is fully absorbed on plinth.The shell in dynamic Control area(Do not include load-bearing Q235A steel sole plates)Material is scribbled by outer surface and received The Q235A steel plates of the aqueous solar energy reflection coating of rice replace original Q235A steel plates, fully reduce the work temperature in dynamic Control area Degree, ensures service life and improves efficiency.Mixed flow pressure fan 27 replaces original axial flow blower, and blower fan position by air-source Heat pump outdoor unit front is changed to bottom, and the support of mixed flow pressure fan 27 is fixed on Q235A steel backing plates.Air exhausting grille 29 is arranged at too Sun can be evaporated at whole sides and the area of upper rear portion 1/3 of collection hot-zone, made in the type of solar air source heat pumps outdoor unit 11 I Air current composition is more reasonable, strengthens air heat-exchange and disturbs, and does not disturb the air draft of entering of adjacent outdoor units, improves operating efficiency.The sun Curtain rolling shaft 32 of the abat vent 31 in the winter time by being fixed near solar energy evaporation collection hot-zone top edge on external wall 30 can be reflected Hide and pack up, opened by curtain rolling shaft 32 in summer and put down, the outer surface laying of the low iron safety glass shell 25 of plane of fitting, and in The edge clamping of Q235A steel sole plates 38 is fixed.The whole type of solar air source heat pumps outdoor unit 11 I is by being fixed on load-bearing Q235A The angle bar frame 28 of the bottom of steel sole plate 38, is fitted with expansion bolt and is supported on external wall 30.
As described in accompanying drawing 6, the solar energy evaporation collection hot-zone of the type of solar air source heat pumps outdoor unit 11 II includes solar energy The parts such as evaporation heat collector 4, axial flow blower 42, air inlet 43, solar energy reflection abat vent 31, dynamic Control area includes valve member The parts such as pipeline installing zone 34, compressor installing zone 35, refrigerant outlet 36, refrigerant inlet 37.With original model structure phase Than the profile of the type of solar air source heat pumps outdoor unit 11 II is constant, and the circulating path in dynamic Control area is constant, changes structure and exists In the shell of solar energy evaporation collection hot-zone(Load-bearing Q235A steel sole plates are not included and without backboard)Material is by the 8mm thick low iron of plane Safety glass replaces original Q235A steel plates, and solar energy is fully absorbed on the basis of guarantee is firm in structure.Outside dynamic Control area Shell(Do not include load-bearing Q235A steel sole plates)Material is replaced by the Q235A steel plates that outer surface scribbles nanometer water solar energy reflection coating Original Q235A steel plates are changed, the operating temperature in dynamic Control area is fully reduced, service life is ensured and is improved efficiency.Solar energy is anti- Abat vent 31 is penetrated to be hidden by being fixed on the curtain rolling shaft 32 near solar energy evaporation collection hot-zone top edge on external wall 30 in the winter time Pack up, opened by curtain rolling shaft 32 in summer and put down, the outer surface laying of the low iron safety glass shell 25 of plane of fitting, and in The edge clamping of Q235A steel sole plates 38 is fixed.The whole type of solar air source heat pumps outdoor unit 11 II is by being fixed on load-bearing Q235A The angle bar frame 28 of the bottom of steel sole plate 38, is fitted with expansion bolt and is supported on external wall 30.
State on the implementation in integrated air conditioning system, as described in accompanying drawing 3, solar energy evaporation heat collector 4 is to be densely covered with increasing The bronze pan tube evaporator external of strong heat exchange copper fin, is selected by one layer of alumilite process solar energy of electrochemical method electrolytic coloring Selecting property absorber coatings, heat collector 4 is evaporated as solar energy.Solar energy evaporation heat collector 4 is fitted solar air source heat pumps room The inner surface setting of the low iron safety glass shell 25 of plane of outer machine 11, the purpose is to fully efficient absorption utilize too in the winter time Sun can be heated, and the surface temperature of heat collector 4 is evaporated come liter high solar by absorbing solar radiant heat, and then steam solar energy Hair heat collector 4 most multipotency provides the heating capacity for accounting for the total heating capacity 70% of system, and solar energy is evaporated heat collector 4 in the winter time -12 Frosting probability reduction by more than 60% in the range of~3 DEG C of easy frosting temperature.
In stating integrated air conditioning system on the implementation, as described in accompanying drawing 2, alumilite process solar selectively absorbing coating Preparation method be first be densely covered with enhancing heat exchange copper fin bronze pan tube evaporator external, plating a layer thickness be 1mm, The commercial-purity aluminium of model L2, purity higher than 99.5%, used as the anode that electrolytics is reacted, cathode material is pure stereotype, negative and positive Pole-face product is than being 1:1.The evaporator of aluminium coat 19 is first impregnated in mass concentration is the NaOH solution that 5%, liquid temperature is 50~70 DEG C Ungrease treatment is carried out within 0.5~3 minute, then through chemical polishing, then in the HNO that mass concentration is 30%3Done at decontamination in solution , finally after fully washing be arranged in electrolytic cell the evaporator of aluminium coat 19 by reason, completes preparation.Alumilite process reacts It is the H that 4%, liquid temperature is 25~30 DEG C in mass concentration3PO4Carried out in solution, current density is 0.2~0.3A/dm2, during reaction Between be 10 minutes, now generate 0.50~0.75 μ m-thick transparent porous Al2O3Layer 22.This Al2O3Oxidation film layer is transparent by upper strata Cellular Al2O3The Al of the compact structure of aluminium coat 19 is close in layer 22, and lower floor2O3The two parts of barrier layer 20 are constituted.Al2O3Stop Layer 20 is very thin, and thickness is 10~12/V, relevant with alumilite process voltage.After the evaporator cleaning that alumilite process is finished Electrolytic coloring is carried out, coloring electrolyte component is the NiSO of 30g/L4·6H2The H of O, 30g/L3BO3With (the NH of 20g/L4)2SO4, Reaction liquid temperature is 25~30 DEG C, and alternating voltage is 15~16V, and electrolysis time is 2~3 minutes.After this cell reaction, nickel particle 21 separate out and are deposited on porous Al2O3In the hole of layer 22, the deposited concentration of nickel particle 21 receives densification Al2O3The table on barrier layer 20 Surface roughness influences, and increases with the steps increase of hole depth.The solar absorptance α of the coating is with the content of nickel particle 21 Increase and improve, when absorptivity α be higher than 0.9 when, the deposited concentration of nickel particle 21 reaches 0.6~1.0g/m2.Finally by aluminium sun Pole oxidation solar selectively absorbing coating carries out pore closure treatment with boiling water or steam under pressure, so far alumilite process selection Property solar energy evaporation heat collector 4 complete.
Alumilite process solar selectively absorbing coating color is black, uniform ground, bubble-free, without cracking, thickness It is 0.50~0.75 μm, solar absorptance α is 0.92~0.96, and normal emittance ε is 0.08~0.13, with α higher/ ε, i.e. solar energy selection absorption characteristic are good.The coating had good heat endurance and chemical stability, through continuous 300 hours The accelerated aging test of 200 DEG C of heating, and continuous outdoor exposure test in 240 days shows that coated optical performance is resistance to without significant change It is actinic good.The immersion of continuous 1 year and wear test show in the NaCl solution that mass concentration is 3.5%, the coating is anti-corrosion, Wear-resisting, there is not discoloration and dot etching phenomenon in coating surface.Show through sem analysis, AES analyses and X-ray diffraction analysis, should Coating service life is 15 years or so.
State on the implementation in integrated air conditioning system, air source heat pump indoor set 16 is indoor convection current cooling heat exchange machine, use In cooling in summer operating mode.Its critical piece has heat exchanger, cross flow fan, temperature-sensing probe, air grille, backboard etc., for too The supersaturated gaseous refrigerant and indoor air convection sweat cooling of positive energy air source heat pump outdoor unit 11 output.Air source heat pump Indoor set 16 can arrange locellus that respective independent control aperture is combined into one with solar air source heat pumps outdoor unit 11 on demand Air conditioning system with multiple indoor set.
State on the implementation in integrated air conditioning system, solar energy reflection abat vent 31 is that outer surface scribbles the nanometer water sun Can reflectance coating rollable aluminum alloy sun shading system blind, its expansion shape fits solar air source heat pumps outdoor unit 11 completely The low iron safety glass shell 25 of plane external surface shape, as described in accompanying drawing 4 and accompanying drawing 6.Solar energy reflection abat vent 31 exists Winter is hidden by being fixed on solar energy evaporation collection hot-zone top edge curtain rolling shaft 32 nearby on external wall 30 and packed up, summer by Curtain rolling shaft 32 is opened and put down, the outer surface laying of the low iron safety glass shell 25 of plane of fitting, and in the edge of Q235A steel sole plates 38 Place's clamping is fixed.Solar energy reflection abat vent 31 is in summer high-efficiency reflective solar energy and solar energy is evaporated the lucifuge of heat collector 4, makes Inside solar air source heat pumps outdoor unit 11 when solar energy evaporates heat collector 4 in cooling in summer in addition to refrigerant condensation heat release, Without other main heating sources, the internal refrigeration storage circulation operating temperature of solar air source heat pumps outdoor unit 11 is efficiently reduced, improve system System refrigeration efficiency.
The preparation method of nanometer water solar energy reflection coating be first volumetric concentration is respectively 50~60% water-based hydroxyl Resin, 4% nano-silicon oxide modified thickened pulp, 0.5~1.0% defoamer, 0.5~1.0% Antisepticize and mildew preventive, 0.5~ 1.0% corrosion inhibitor and 5~10% deionized water are mixed and stirred for uniformly, sequentially adding volumetric concentration and being respectively 0.5 ~1.0% dispersant, 25% R930 titanium white powder pigments and 10~15% blanc fixe filler, conjunction is ground to through sand mill 20 μm of lattice fineness, adds 0.5~1.0% levelling agent, 0.5~1.0% thixotropic agent.After filtering the mixing material gelinite, plus Enter appropriate curing agent, make n (- NCO): n (- OH)=1.5: 1 of coating material.Coating material is applied under 150 DEG C of environment finally In the outer surface of solar energy reflection abat vent 31,15 minutes used times were fully cured.So far nanometer water solar energy reflection abat vent 31 Complete, the nanometer water solar energy reflection Q235A outer cover of steel plate in the dynamic Control area of solar air source heat pumps outdoor unit 11 33 preparation method is similarly.
Nanometer water solar energy reflection coating color for white, uniform ground, bubble-free, without cracking, without shrinkage cavity, thickness is 20~40 μm, refraction index is 2.8, and solar reflectance is 90~96%, can effectively control summer solar air source heat pumps room The surface temperature of outer machine 11 is below 40 DEG C, so as to create relatively low for the internal refrigeration storage of solar air source heat pumps outdoor unit 11 is circulated Warm working environment, it is ensured that refrigerating capacity is undamped, beneficial to raising refrigeration system efficiency.The coating has good physical stability, Hardness(Pencil)It is 2H, adhesive force is 1 grade, and pliability is 1mm, and impact strength is 50cm, adapts to all-weather outdoor physical environment. The coating also have good heat endurance and chemical stability, anti-corrosion, wear-resisting, light shine, through continuous 168 hours (40 ± DEG C 1) resistance to distilled water detection, the alkali resistance for being dipped in the NaOH solution that mass concentration is 5% detection of continuous 168 hours, and continuously It is dipped in the H that mass concentration is 5% within 168 hours2SO4The acid resistance detection of solution, nanometer water solar energy reflection coating is without any Abnormal conditions occur, and adapt to all-weather outdoor chemical environment.Show through sem analysis, AES analyses and X-ray diffraction analysis, the painting Layer service life is 15 years or so.
State on the implementation in integrated air conditioning system, air source heat pump capillary brass pipe net radiant heating layer 17 is in heating ground Laid in plate basic unit, radiant heating layer corresponding with radiant heating floor covering shape, from bottom to top layered stereoscopic spreads successively If heat insulation layer, heating radiating layer and recuperation layer.Air source heat pump capillary brass pipe net radiant heating layer 17 is by outer by capillary brass pipe Composition in parallel is laid by root ring is U-shaped to interior, the side ports of capillary brass pipe one are inlet manifold, are sequentially communicated on inlet manifold There are steam separator 12, regulating valve I 9, pressure gauge I 7 and a thermometer I 6, and I 10 solar air source heat pumps are communicated to by being flexible coupling The refrigerant outlet 36 of outdoor unit 11.Another side ports of capillary brass pipe are liquid header, and collection has been sequentially communicated on liquid header Liquid device 13, regulating valve II 9, y-type filter 8, pressure gauge II 7 and thermometer II 6, and to be communicated to solar energy empty through being flexible coupling II 10 The refrigerant inlet 37 of air supply heat pump outdoor unit 11.At the refrigerant inlet 37 of solar air source heat pumps outdoor unit 11 successively It is provided with and communicated with electric expansion valve 5, regulating valve III 9, the solar energy evaporation heat collector 4 of linkage fan 3, regulating valve IV 9, regulating valve IV 9 are switched to four-way reversing valve 2 through thermometer III 6 and pressure gauge III 7, and are set between electric expansion valve 5 and thermometer III 6 The Flow-rate adjustment of regulating valve V 9 is bypassed.The tunnel of four-way reversing valve 2 one connects pressure gauge III 7, digital scroll compressor 1 is connected all the way and is entered Gas port, connects the exhaust outlet of digital scroll compressor 1 all the way, and the refrigerant that solar air source heat pumps outdoor unit 11 is connected all the way goes out Mouth 36.Thus structure realizes the coupling heating of solar energy and air source heat pump capillary brass pipe net radiant heating layer 17.
State on the implementation in integrated air conditioning system, control system is the PLC collection of electromechanical integration application PID regulative modes Middle automatic control system, can carry out Remote or panel line traffic control, and anti-electromagnetic interference capability is strong, and power consumption is low, adapts to new High speed network structure.Logical program temperature controller is arranged at the indoor wall away from floor 1.5m as control system core component On face, direct integral traffic control is received by sensor, transmitter is exported 0~10V or the signal mode analog quantity of 4~20A form certain Ratio chain control, reliable, O&M is convenient.Control system passes through connection by temperature controller 14 and temperature Sensor 15, thermometer 6, pressure gauge 7,17 control line of air source heat pump capillary brass pipe net radiant heating layer, solar energy evaporation collection Control line of 4 regulating valve of hot device 9 etc. integrates, and by remote infrared line signal communication hand-held remote controller, and by family Wi- Fi network connection mobile phone A PP, realize the multiple control coupling of solar energy coupling air source heat pump integrated air conditioning system.
Specific embodiment of the invention is made below by instantiation being further illustrated.
As described in Figure 1, the ground size for setting heating room 18 is 10m × 10m, i.e., heating area is 100m2, then need Heating capacity of the present invention is 6.5kW.Embedded with solar evaporation is laid at the angle bar frame 28 of solar air source heat pumps outdoor unit 11 The solar air source heat pumps outdoor unit 11 of heat collector 4, model AH3-AC heats input power for 2.5kW, and coupling is too The specified heating capacity of positive energy is 11.0kW.Outdoor dry-bulb temperature be -7 DEG C, under the conditions of outdoor wet-bulb temperature is -8 DEG C, A The coupling heating capacity of H3-AC models is 8.2kW, and heating energy efficiency ratio is 3.56, meets the full heat supply in winter ability requirements of support.A· The deadweight 60kg of H3-AC model solar air source heat pumps outdoor unit 11, appearance and size is 1260mm × 830mm × 310mm.A· The coupled solar of H3-AC model solar air source heat pumps outdoor unit 11 evaporates the use of heat collector 4, there is provided unit is just Temperature protection and high-low pressure defencive function, while solar heating is made full use of, ensure air source heat pump uses safety.Too Sun can evaporate heat collector 4 and provide the heating capacity for accounting for the total heating capacity 70% of system by absorbing solar radiant heat, most multipotency, That is 7.7kW heating capacities, and its own face temperature is raised by absorbing solar radiant heat, solar energy is evaporated heat collector 4 in the winter Frosting probability reduction by more than 60% in the range of the easy frosting temperature of season -12~3 DEG C.After testing, solar energy evaporates heat collector 4 It is 25~70%, the frosting resistance degree of coupling that caloric receptivity is interval with the heating degree of coupling of the heating capacity of solar air source heat pumps outdoor unit 11 Interval is 25~60%.The existing initial cost of the present invention is 230 yuan/m2, absorbing the heating operation expense after solar heating is 10~15 yuan/m2Heating Period, is the 33~50% of central heating, operating cost advantage is saved in existing heating technology and is highlighted, Economic benefit is protruded.Service life of the present invention is 15~18 years, i.e. recoverable complete using 10~14 years by saving operating cost Portion's initial cost.
According to inverse Carnot cycle principle, inside solar air source heat pumps outdoor unit 11, in solar air source heat pumps It is sequentially communicated at the refrigerant inlet 37 of outdoor unit 11 and is provided with electric expansion valve 5, regulating valve III 9, the solar energy of linkage fan 3 Evaporation heat collector 4, regulating valve IV 9, regulating valve IV 9 are switched to four-way reversing valve 2 through thermometer III 6 and pressure gauge III 7, and in electricity The bypass of regulating valve V 9 Flow-rate adjustment is set between sub- expansion valve 5 and thermometer III 6, for according to refrigerant temperature pressure condition, Refrigerant flow inside regulation solar energy evaporation heat collector 4.The tunnel of four-way reversing valve 2 one connects pressure gauge III 7, and number is connected all the way The code air inlet of screw compressor 1, connects the exhaust outlet of digital scroll compressor 1 all the way, and solar air source heat pumps room is connected all the way The refrigerant outlet 36 of outer machine 11.
Air source heat pump capillary brass pipe net radiant heating layer 17 be in heating flooring basic unit lay with radiant heating ground The corresponding radiant heating layer of board finish shape, from bottom to top layered stereoscopic lays heat insulation layer, heating radiating layer and recuperation layer successively. Original cement flooring basic unit smooth first, according to the tight smooth laying 20mm thickness styrofoam of ground shape as heat insulation layer.Exist again Evenly laid out area is 100m on heat insulation layer2, thickness be the air source heat pump capillary brass pipe net radiant heating layer 17 of 4mm, it is and solid It is fixed good.Air source heat pump capillary brass pipe net radiant heating layer 17 to installing continues to suppress 21MPa in 24 hours, to check Its seal.Ne-leakage to be suppressed, it is qualified to check, in air source heat pump capillary brass pipe net radiant heating layer 17 upper stratas filling 30mm Thick pea gravel concrete recuperation layer, concrete grade should be not less than C15.So far flooring radiation heating end laying is finished, total thickness It is 54mm to spend.Lay the thick cement screed-coats of 10mm and the thick floors of 10mm successively again thereon, flooring gross thickness is 74mm.
Air source heat pump capillary brass pipe net radiant heating layer 17 is by 1 × 104The capillary that root length is 10m, external diameter is 4mm Copper pipe, is uniformly arranged from outside to inside by spacing of 10mm, and composition in parallel is laid by root ring is U-shaped.The side ports of capillary brass pipe one It is inlet manifold, steam separator 12, regulating valve I 9, pressure gauge I 7 and thermometer I 6 has been sequentially communicated on inlet manifold, and pass through Be flexible coupling I 10 refrigerant outlets 36 for being communicated to solar air source heat pumps outdoor unit 11.Another side ports of capillary brass pipe are row Liquid house steward, has been sequentially communicated liquid trap 13, regulating valve II 9, y-type filter 8, pressure gauge II 7 and thermometer on liquid header II 6, and through II 10 refrigerant inlets 37 for being communicated to solar air source heat pumps outdoor unit 11 that are flexible coupling.Thus structure is realized too Sun can heat with the coupling of air source heat pump capillary brass pipe net radiant heating layer 17.
On metope in heating room 18 away from floor 1m, choose correct position and platinum resistance temperature sensor 15 is installed, it is interior Portion's structure is platinum sensor linkage temperature signal transmitter.On metope in heating room 18 away from floor 1.5m, choose Correct position installs the temperature controller 14 with visualization X-by-Wire panel, and hand-held by remote infrared line signal communication Remote control, and mobile phone A PP is connected with Wi-Fi network by family.The present invention uses electromechanical integration application PID regulative modes PLC centralized automatic control systems, can carry out Remote or panel line traffic control, and anti-electromagnetic interference capability is strong, and power consumption is low, adapts to Novel high speed network structure.Logical program temperature controller 14 as control system core component, direct integral traffic control is by passing Sensor is received, the signal mode analog quantity of the 0~10V or 4~20A of transmitter output, forms certain ratio chain control, and operation can Lean on, O&M is convenient.Control system passes through connection by temperature controller 14 and temperature sensor 15, thermometer 6, pressure Table 7,17 control line of air source heat pump capillary brass pipe net radiant heating layer, control line of regulating valve 9 of solar energy evaporation heat collector 4 etc. Integrate, and by hand-held remote controller signal and mobile phone A PP networks, realize that solar energy couples air source heat pump integral air conditioner The multiple control coupling of system.
Heating method of the invention is to couple air source heat pump capillary brass pipe net radiant heating layer 17 by solar energy, is carried out Flooring radiation heats.Specific embodiment is curtain rolling shaft 32 to be hidden solar energy reflection abat vent 31 and packs up, and is steamed via solar energy Hair heat collector 4 absorbs solar energy, and linkage blower fan 3 exchanges heat with cross-ventilation, the Flow-rate adjustment of combine regulation valve V 9 bypass regulation system Cryogen flow, the supersaturated refrigerant vapour heat absorption increasing temperature and pressure inside solar energy evaporation heat collector 4 turns into superheated vapor.Temperature III 6 monitoring output steam temperatures are counted no more than 120 DEG C, the monitoring of pressure gauge III 7 exports steam pressure no more than 2.6MPa, and By transducing signal report temperature controller 14, temperature controller 14 is through PID logic computing feedback adjustment signal, order regulation again The control solar energy evaporation inner refrigerant flow of heat collector 4 of valve III 9, IV 9, V 9, makes output superheated vapor physical parameter maintain just In normal scope.Superheated vapor imports the air inlet of digital scroll compressor 1 through four-way reversing valve 2, and digital scroll compressor 1 is according to entering Gas pressure and temperature response, automatically controlling carries out changeable compression process, the system that appropriate compression is processed by solar energy evaporation heat collector 4 Cryogen superheated vapor to complete superheat state, steam increasing temperature and pressure, but temperature is no more than 130 DEG C, and pressure is no more than 2.8MPa.It is complete Full superheated vapor is exported from the exhaust outlet of digital scroll compressor 1, and through temperature, pressure monitoring in normal range (NR), discharge solar energy is empty Air supply heat pump outdoor unit 11 gets in steam separator 12, and is allocated to the capillary brass pipe net of each heating flooring and carries out radiation confession Warm, heating temperature is 28~36 DEG C.Complete superheated vapor heat release radiant heating in capillary brass pipe net, and then temperature reduction condensation Enter liquid trap 13 as saturated liquid, it is 18~26 DEG C that saturation returns liquid temperature degree.Liquid trap 13 collects each heating branch road backflow Refrigerant liquid, convey and filtered, temperature, pressure monitoring, into solar air source heat pumps outdoor unit 11 in electronic expansion Valve 5 carries out adiabatic throttling expansion, and saturated liquid turns into supersaturated vapour.Then supersaturated refrigerant vapour evaporates into solar energy Heat collector 4 absorbs solar energy, and linkage blower fan 3 exchanges heat with cross-ventilation, the Flow-rate adjustment of combine regulation valve V 9 bypass regulation refrigeration Agent flux, supersaturated refrigerant vapour increasing temperature and pressure turns into superheated vapor.So far a heating circulation is completed, and is started next time Working cycles.Temperature sensor 15 monitors indoor temperature change generated in case situation, and feedback signal is to temperature controller 14 in time and sets Room temperature is calibrated, and temperature controller 14 automatically controls air source heat pump heating capacity according still further to PID calibration result release signals, Room temperature homogeneous constant is maintained, primary system control action is completed.
Air source heat pump indoor set 16 is indoor convection current cooling heat exchange machine, for cooling in summer operating mode, there is wall-mounted, clothes closet The types such as formula, top-type.Its critical piece has heat exchanger, cross flow fan, temperature-sensing probe, air grille, backboard etc., for too The supersaturated gaseous refrigerant and indoor air convection sweat cooling of positive energy air source heat pump outdoor unit 11 output.Air source heat pump Indoor set 16 can arrange locellus that respective independent control aperture is combined into one with solar air source heat pumps outdoor unit 11 on demand Air conditioning system with multiple indoor set.
Refrigerating method of the invention is to combine air source heat pump indoor set 16 by solar air source heat pumps outdoor unit 11 Carry out split type convection current refrigeration.The refrigeration input power of selected AH3-AC models air source heat pump is 2.4kW, couples the sun The rated cooling capacity of energy is 7.0kW.Outdoor dry-bulb temperature be 30 DEG C, under the conditions of outdoor wet-bulb temperature is 25 DEG C, AH3-AC The coupling refrigeration amount of model is 8.1kW, and refrigeration efficiency ratio is 3.32, meets the full cooling in summer ability requirements of support.After testing, too The reflection heat that sun can reflect abat vent 31 is interval with the cooling couple degree of the refrigerating capacity of solar air source heat pumps outdoor unit 11 for 90 ~96%.Present invention 22W/m during freezing2Average power load be less than prior art 24W/m2Power consumption, at annual 3 Refrigeration power consumption 126kWh can be saved in the refrigeration phase of the moon, energy-saving benefit is obvious.
The specific embodiment of present invention refrigeration is first in the low iron steel of plane of solar air source heat pumps outdoor unit 11 Change the outer surface laminating laying solar energy reflection abat vent 31 of glass shell 25, efficiently keep out 90~96% solar radiant energy simultaneously Solar energy is set to evaporate the lucifuge of heat collector 4.Nanometer water solar energy reflection outer cover of steel plate 33 makes solar air source heat pumps outdoor unit The operating ambient temperature of the grade part of 11 inside digital scroll compressor 1 is less than 40 DEG C, it is ensured that refrigerating capacity is undamped, improves system system Cold energy is imitated.The path gh and bc absorptions by a dotted line of digital scroll compressor 1 skip over heat from the backflow of air source heat pump indoor set 16 Refrigerant vapour, automatically controls polytropic process compression refrigerant steam to complete superheat state.Complete superheated vapor is changed through four-way The solar energy evaporation heat collector 4 for importing linkage fan 3 to the dashed path ad of valve 2 exchanges heat with cross-ventilation, and refrigerant vapour exists This exothermic condensation turns into saturated liquid, and middle to monitor steam temperature no more than 130 DEG C by thermometer III 6, pressure gauge III 7 is supervised Steam pressure is surveyed no more than 2.6MPa.Then refrigerant saturated liquid flows through electric expansion valve 5 and carries out adiabatic throttling expansion, into It is supersaturated vapour.Supersaturated refrigerant vapour path ef by a dotted line, in temperature is 7 DEG C or so, pressure through temperature, pressure monitoring Power is discharge solar air source heat pumps outdoor unit 11, air inlet source heat pump indoor unit in the normal range (NR) of 0.4MPa or so 16, atmospheric heat in absorption chamber carries out convection current refrigeration.Supersaturated refrigerant vapour absorbs heat to evaporate to turn into indoors and skips over hot steaming Gas, discharge air source heat pump indoor set 16, through temperature, pressure monitoring temperature be 12 DEG C or so, pressure be 1.4MPa or so just In normal scope, path gh and bc enters into the inside digital scroll compressor 1 of solar air source heat pumps outdoor unit 11 by a dotted line Gas port, refrigerant vapour is by changeable compression to complete superheat state.So far a kind of refrigeration cycle is completed, and starts next task Circulation.Temperature sensor 15 monitors indoor temperature change generated in case situation, and feedback signal is to temperature controller 14 in time and sets room temperature Calibrated, temperature controller 14 automatically controls air source heat pump refrigerating capacity according still further to PID calibration result release signals, completed Primary system control action.

Claims (10)

1. a kind of solar energy couples air source heat pump integrated air conditioning system, including solar air source heat pumps outdoor unit, the sun Heat collector, solar energy reflection abat vent, air source heat pump indoor set, air source heat pump capillary brass pipe net radiant heating layer can be evaporated And control system;It is characterized in that:It is to be fitted in solar air source heat pumps outdoor unit that the solar energy evaporates heat collector [4] The inner surface setting of the low iron safety glass shell [25] of plane [11];The solar energy reflection abat vent [31] be in the winter time by The curtain rolling shaft [32] being fixed on the neighbouring external wall [30] of solar air source heat pumps outdoor unit [11] top edge is hidden and is packed up, Opened by curtain rolling shaft [32] in summer and put down, outside the low iron safety glass of plane of laminating solar air source heat pumps outdoor unit [11] The outer surface of shell [25] is set;The air source heat pump indoor set [16] is located in heating room [18];The air-source heat Pump capillary brass pipe net radiant heating layer [17] is disposed in heating flooring basic unit, and is adjusted by circulation line by control system Control, realizes solar energy coupling air source heat pump integration heating and freezes;
The solar air source heat pumps outdoor unit [11] is made up of I type outdoor unit and II type outdoor unit, the I type outdoor unit With the internal structure of II type outdoor unit it is made up of solar energy evaporation collection hot-zone and dynamic Control area two parts;Wherein, I type The enclosure material of the solar energy evaporation collection hot-zone of outdoor unit is the thick low iron armorplate glasses of plane of 8mm;Outside dynamic Control area Shell material matter is the Q235A steel plates that outer surface scribbles nanometer water solar energy reflection coating;And be arranged at mixed flow pressure fan [27] The bottom of solar air source heat pumps outdoor unit [11];By air exhausting grille [29] be arranged at solar energy evaporation collection hot-zone side and At upper rear portion 1/3;The enclosure material of the solar energy evaporation collection hot-zone of the II type outdoor unit is the thick low iron tempering of plane of 8mm Glass plate;The enclosure material in dynamic Control area is the Q235A steel plates that outer surface scribbles nanometer water solar energy reflection coating;
It is in copper tube and fin evaporator external, by electrochemical method electrolytic coloring one that the solar energy evaporates heat collector [4] Layer alumilite process solar selectively absorbing coating, and by solar energy evaporate heat collector [4] laminating be arranged at solar air The inner surface of the low iron safety glass shell [25] of plane of source heat pump outdoor unit [11];
The solar energy reflection abat vent [31] is the rollable aluminium alloy that outer surface scribbles nanometer water solar energy reflection coating Sun-shading louver curtain, its expansion shape is fitted the low iron safety glass shell of plane of solar air source heat pumps outdoor unit [11] completely [25] external surface shape, in the winter time by being fixed on solar air source heat pumps outdoor unit [11] top edge external wall nearby [30] curtain rolling shaft [32] on is hidden and is packed up, and is opened by curtain rolling shaft [32] in summer and put down, laminating solar air source heat pumps room The outer surface of the low iron safety glass shell [25] of plane of outer machine [11] is set;
The air source heat pump indoor set [16] is indoor convection current cooling heat exchange machine, including heat exchanger, cross flow fan, temperature-sensitive are visited Head and air grille;Locellus arranges that respective independent control aperture is combined into solar air source heat pumps outdoor unit [11] on demand It is multi-split air conditioner;
Air source heat pump capillary brass pipe net radiant heating layer [17] is in heating flooring basic unit, to be equipped with and radiant heating The corresponding radiant heating layer of floor covering shape, from bottom to top layered stereoscopic is laid in heat insulation layer, heating radiating layer and storage successively Thermosphere;Wherein, heating radiating layer is that capillary brass pipe is laid into composition in parallel, capillary brass pipe one by root ring is U-shaped from outside to inside Side ports are inlet manifold, and steam separator [12], regulating valve I [9], pressure gauge I [7] and temperature have been sequentially communicated on inlet manifold Meter I [6], and by I [10] refrigerant outlet [36] for being communicated with solar air source heat pumps outdoor unit [11] that is flexible coupling;Capillary Another side ports of copper pipe are liquid header, and liquid trap [13], the filtering of regulating valve II [9], Y types have been sequentially communicated on liquid header Device [8], pressure gauge II [7] and thermometer II [6], and II [10] it is communicated to solar air source heat pumps outdoor unit through being flexible coupling [11] refrigerant inlet [37];It is sequentially communicated at refrigerant inlet [37] place of solar air source heat pumps outdoor unit [11] and is set It is equipped with electric expansion valve [5], regulating valve III [9], the solar energy of linkage fan [3] and evaporates heat collector [4], regulating valve IV [9], adjusts Section valve IV [9] is switched to four-way reversing valve [2] through thermometer III [6] and pressure gauge III [7], and in electric expansion valve [5] and temperature The bypass of the Flow-rate adjustment of regulating valve V [9] is provided between degree meter III [6];Four-way reversing valve [2] connects pressure gauge III [7] all the way, The air inlet of connection digital scroll compressor [1], connects the exhaust outlet of digital scroll compressor [1] all the way all the way, connects all the way The refrigerant outlet [36] of solar air source heat pumps outdoor unit [11];
The control system is by temperature controller [14] and temperature sensor [15], thermometer [6], pressure gauge by connection [7], air source heat pump capillary brass pipe net radiant heating layer [17] control line, solar energy evaporation heat collector [4] regulating valve [9] control Line integrates, and by remote infrared line signal communication hand-held remote controller, and mobile phone A PP is connected with Wi-Fi network by family, Solar energy coupling air source heat pump integration is realized, using the PLC centralized automatic control systems of PID regulative modes.
2. the system as claimed in claim 1, the air-conditioning coupling of the solar energy coupling air source heat pump integrated air conditioning system Degree is 25~96%, and the frosting resistance degree of coupling is 25~60%.
3. the system as claimed in claim 1, the alumilite process solar selectively absorbing coating color is black, thickness It is 0.50~0.75 μm, solar absorptance α=0.92~0.96, normal emittance ε=0.08~0.13.
4. the system as claimed in claim 1, the nanometer water solar energy reflection coating color is white, and thickness is 20~40 μm, refraction index is 2.8, and solar reflectance is 90~96%.
5. the system as claimed in claim 1, the solar energy evaporates heat collector [4] and provides the total heating capacity of system in the winter time 70%, the frosting probability reduction by 60% under -12~3 DEG C of environment, service life is 15 years.
6. the system as claimed in claim 1, the solar energy reflection abat vent [31] is in summer control solar air source heat The surface temperature of pump outdoor unit [11] is 40 DEG C, and service life is 15 years.
7. the system as claimed in claim 1, the temperature sensor [15] is platinum resistance temperature sensor, and internal structure is platinum Electric resistance sensor linkage temperature signal transmitter, is set on the metope positioned at interior far from floor 1m.
8. the system as claimed in claim 1, the temperature controller [14] is disposed on the indoor metope away from floor 1.5m, Using the PLC centralized automatic control devices of PID regulative modes, direct integral traffic control is received by temperature and pressure transmitter, signal transmitting The signal mode analog quantity of the 0~10V or 4~20A of device output, forms ratio chain control.
9. the flooring radiation heating of a kind of solar energy coupling air source heat pump integrated air conditioning system for described in claim 1 Method, methods described is curtain rolling shaft [32] to be hidden solar energy reflection abat vent [31] and packs up, and heat collector [4] is evaporated by solar energy Solar energy is absorbed, linkage blower fan [3] exchanges heat with cross-ventilation, joint Flow-rate adjustment bypass adjusting refrigerant flow rate, solar energy The internal supersaturated refrigerant vapour increasing temperature and pressure of evaporation heat collector [4] turns into superheated vapor;Superheated vapor is through four-way reversing valve [2] digital scroll compressor [1] air inlet is imported, digital scroll compressor [1] is carried out many according to intake air temperature and pressure-responsive Transformation compression process, appropriate compression evaporates the refrigerant superheat steam of heat collector [4] treatment to complete superheat state by solar energy, steams Gas increasing temperature and pressure;Complete superheated vapor is exported from digital scroll compressor [1] exhaust outlet, through temperature, pressure monitoring in normal range (NR) It is interior, the steam separator [12] that discharge solar air source heat pumps outdoor unit [11] gets in, and be allocated to each heating flooring Air source heat pump capillary brass pipe net radiant heating layer [17] carries out radiant heating, and heating temperature is 28~36 DEG C;Overheat is steamed completely Gas is in air source heat pump capillary brass pipe net radiant heating layer [17] interior heat release radiant heating, and then temperature reduction condensation turns into saturation Liquid enters liquid trap [13], and it is 18~26 DEG C that saturation returns liquid temperature degree;Liquid trap [13] collects the refrigeration of each heating branch road backflow Agent liquid, convey and filtered, temperature, pressure monitoring, into solar air source heat pumps outdoor unit [11] interior electric expansion valve [5] adiabatic throttling expansion is carried out, saturated liquid turns into supersaturated vapour;Then supersaturated refrigerant vapour evaporates into solar energy Heat collector [4] absorbs solar energy, and linkage blower fan [3] exchanges heat with cross-ventilation, joint Flow-rate adjustment bypass regulation cold-producing medium stream Amount, supersaturated refrigerant vapour increasing temperature and pressure turns into superheated vapor;Temperature sensor [15] monitors indoor temperature change generated in case situation, and Timely feedback signal to temperature controller [14] is calibrated with setting room temperature, and temperature controller [14] is released according still further to calibration result Discharge signal, automatically controls net for air-source heat pump units heating capacity, completes primary system control action, and start next task to follow Ring.
10. a kind of solar energy for described in claim 1 couples the indoor convection current system of air source heat pump integrated air conditioning system The convection current refrigerating method of cold heat exchanger, methods described is first in the low iron steel of plane of solar air source heat pumps outdoor unit [11] The outwardly deploying for changing glass shell [25] lays solar energy reflection abat vent [31];In solar air source heat pumps outdoor unit [11] internal absorption by digital scroll compressor [1] skip over hot refrigerant vapor refrigerant from what air source heat pump indoor set [16] flowed back, By polytropic process compression refrigerant steam to complete superheat state;Complete superheated vapor is imported through four-way reversing valve [2] and linked The solar energy of blower fan [3] evaporates heat collector [4] and is exchanged heat with cross-ventilation, and refrigerant vapour turns into saturated solution in this exothermic condensation Body;Then refrigerant saturated liquid flows through electric expansion valve [5] and carries out adiabatic throttling expansion, as supersaturated vapour;Supersaturation Refrigerant vapour is monitored in the normal range (NR) that temperature is 7 DEG C or so, pressure is 0.4MPa or so through temperature, pressure, discharges the sun Energy air source heat pump outdoor unit [11], air inlet source heat pump indoor unit [16], atmospheric heat in absorption chamber carries out convection current system It is cold;Supersaturated refrigerant vapour absorbs heat evaporation as heat steam is skipped over indoors, air source heat pump indoor set [16] is discharged, through temperature Pressure monitoring is spent in the normal range (NR) that temperature is 12 DEG C or so, pressure is 1.4MPa or so, into solar air source heat pumps Internal digital scroll compressor [1] air inlet of outdoor unit [11], refrigerant vapour is by changeable compression to complete superheat state;Temperature Sensor [15] monitors indoor temperature change generated in case situation, and feedback signal to temperature controller [14] carries out school with setting room temperature in time Standard, temperature controller [14] automatically controls net for air-source heat pump units refrigerating capacity according still further to calibration result release signal, completes once System control action, and start working cycles next time.
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